PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Valve guide, inlet (also exhaust on early twins), suit Norton twins 500cc - 750cc, each, including 750 Commando. 2 or 4 required per motor, colisbro +.010 size Original part numbers: D12/140; K12/140; T2011; 050198 - valve guide (inlet or exhaust)